Definition of -ous in English:

-ous

Syllabification: -ous

suffix

  • Forming adjectives:
  • 1Characterized by; of the nature of: dangerous mountainous
  • 2 Chemistry Denoting an element in a lower valence: ferrous sulfurous Compare with -ic.

Origin

from Anglo-Norman French, or Old French -eus, from Latin -osus.

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Pronunciation: kəːf
noun
a slit made by cutting with a saw